This place is divided (koppen classification)
to cold temperate zone with dry summer and
semi dry (DCAS). This station is situated
in latitude 32 26' and longitude 50 07'. The
international code of this station is 40797
and its letter code is CHSK. The elevation
of this station from the sea is equal to 2285
meters. The min absolute temperature in this
station is equal to -30.6 during 15 years
(1987-2002) and the Max. temperature in this
period is equal to 35.8 degrees centigrade
(till 2002). Also on the average, 125 days
in a year, freezing has been observed.

This station was a climatologic place in the
past, which has started to work in 1958 and
in 1987 changed into a synoptic station. Of
course a 13 years pause was happened to this
station. Koohrang station is one of the most,
as a matter of precipitation (snow and rain).
It is the source and fountain of many rivers
like Karoon , Karkheh and Zayandeh Rood. The
average Temperature at least for this station,
from December, has become negative and till
April with Min. temp. (-1) this process is
continued that is explanatory of a cold condition
over this station. precipitation starts in
this station from October and with an average
of 53.5 mm. in October and 162.8 for Novamber
and 197.9 for Azar and 220.7 for January and
221.3 for February and 274.7 for March, is
a ix month season with a lot of precipitation
. This wills Continue Till April. Summer is
a dry season in this station.